Quick reference

• Drag the graph to pan
• Scroll or pinch to zoom
• Double-click to zoom in at a point
• Enter in an expression adds a new line
• Click a color swatch to hide/show a graph, right-click it to change color
• Typing a = 1 creates a draggable slider
• Try x^2 + y^2 = 4 for a circle
• Try (1, 2) to plot a point
• Keyboard: +/- zoom, 0 reset view, ? this panel